add method to get nodes of text id in text controller

app/Text/TextController.php

@@ -5,6 +5,7 @@ namespace App\Text;
 use App\Text\TextRepository;
 use App\Text\UseCases\CreateText;
 use App\Text\UseCases\CreateTextRequest;
+use App\Node\NodeRepository;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 
@@ -12,6 +13,7 @@ class TextController
 {
     public function __construct(
         private TextRepository $textRepository,
+        private NodeRepository $nodeRepository,
     ) {}
 
     public function getTexts(Response $response): Response
@@ -44,6 +46,28 @@ class TextController
         return $response->withHeader('Content-Type', 'application/json');
     }
 
+    public function getNodes(Response $response, int $textId): Response
+    {
+        $text = $this->textRepository->find($textId);
+
+        if ($text === null) {
+            return $response->withStatus(404);
+        }
+
+        $nodes = $this->nodeRepository->findByTextId($textId);
+
+        $data = array_map(function ($node) {
+            return [
+                'id' => $node->getId(),
+                'title' => $node->getTitle(),
+                'parentNodeId' => $node->getParentNode()?->getId(),
+            ];
+        }, $nodes);
+
+        $response->getBody()->write(json_encode(array_values($data)));
+        return $response->withHeader('Content-Type', 'application/json');
+    }
+
     public function createText(
         Request $request,
         Response $response,